Crown decline of mature kauri, with branchlets with little or no leaves
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P. agathidicia disease symptoms on kauri |
P. megasperma colony morphology on PDA Colony morphology on PDA at 7 days |
P. cambivora oogonium Bullate oogonium with amphyginous antheridium |
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P. tentaculata microscopic characteristics Hyphal swellings occuring at branching points of Mycelium (A), Intercalary hyphal swellings (B), Chlamydospore (C ), Sporangia (D) |
Basal canker on Port-Orford cedar Basal canker on Chamaecyparis lawsoniana |
P. cinnamomi in Australia Death of Xanthoria and other native vegetation, Victoria, Australia |
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P. siskiyouensis disease symptoms on Italian alder Phytophthora collar rot on Italian alder trees: standing, dead tree |
P. pluvialis on Pinus radiata in New Zealand Pinus radiata needles showing colour changes following infection with red needle cast disease. The tissues around the initial infection at the base or along the needle senesce, and change yellow and then brown as indicated by the arrows before the needles cast. |
P. pluvialis symptoms on Douglas-fir P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
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P. ramorum colony morphology on PDA P. ramorum colony morphology on PDA |
P. megakarya sporangia (photo from Q-bank, used with permission). P. megakarya sporangia |
P. katsurae growth morphology on β-CMA Growth morphology at 7 days on β-CMA |


